tamerlan born in kyrgystan, comes in 2002. he becomes a u.s. citizen, 9/11/2012. he was a wrestler, enrolled at the university of massachusetts-dartmouth. so many friends talking so positively about him. tamerlan, his older brother, does that travel. he comes later than his younger brother. he was married, had a 3-year-old daughter. had a domestic violence incident. he dropped out of community college. he was a competitive boxer. people speaking very positively about him, but chairman mike rogers, now, we have more information about some evidence of him sort of dropping out of society, as it were. information after he comes back from foreign travel, postings on his youtube account and other social media indicating that he had exposure to jihadist elements whether that's connected to chechnya and the struggles there or otherwise, what do you know this morning, and what do you want to know? >> it's important to understand why, in fact, the fbi interviewed him in the first place. so they had information from a foreign intelligence service that they were concerned abo